GB/T 28885-2025 Chinese PDF (GB /T28885-2025) GB/T 20424-2025 GB/T 16702

GB/T 16702

3-2024_Chinese: Sterilization of health care products - Biological indicators - Part 3: Biological indicators for moist heat sterilization processes (Chinese: 医疗保健产品灭菌 生物指示物 第3部分：湿热灭菌用生物指示物)

3-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 3: Cracking-resistant CRAs(corrosion-resistant alloys) and other alloys (Chinese: 石油天然气工业 油气开采中用于含硫化氢环境的材料 第3部分：抗开裂耐蚀合金和其他合金)

English versions: GB/T 31814-2024

English versions: GB/T 28807

GB/T 28885-2025 Chinese PDF (GB /T28885-2025) GB/T 20424-2025 GB/T 16702GB T 28885 2025_Chinese: Directives for gas service (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28885 2025